In the navigation bar present on the left side, click on the App Client Settings option under the App Integration menu.

Enter your Callback/Redirect URL which you will get from your miniOrange plugin present on your Client side under the CallBack URLs text-field. Select Authorization code grant checkbox under the Allowed OAuth Flows and also select openid and profile checkboxes under the Allowed OAuth Scopes option (Please refer to the image below). Click on the Save Changes button to save your configurations.

Click on Choose Domain Name option to set a domain name for your app.

Enter your Domain Name under the Domain Prefix text-field and click on the Save Changes button to save your domain name.

Click on App Clients option under the General Settings menu in the left side navigation bar. Then, click on the Show Details button to see your App details like Client ID, Client secret etc.

Copy the Client App ID and Client App Secret text field values and save them under your miniOrange plugin present on the client side under the Client Id and the Client Secret text fields respectively.